Burial vault



FIG. 1 is a frontal perspective view showing front, top and right side of the burial vault, showing my new design;

FIG. 2 is a front elevation view;

FIG. 3 is a right side elevation view, the left side elevation view being a mirror image;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view. 

The ornamental design for a burial vault, as shown and described. 